Astronomy Software

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  Celestia無料

  A real-time space simulation that lets you experience our universe in three dimensions. 

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  Janus無料試用

  All of the standard calculation features expected of a top of the line astrology software program, including natal and transit reports, astro-mapping, Arabic Parts, fixed stars, progressed charts and return charts.

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  Stellarium無料

  Show a realistic sky in 3D.

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  KStars無料

  A free, open source, cross-platform Astronomy Software.

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  NASA’s Eyes無料

  A way for you to learn about your home planet, our solar system, the universe beyond and the spacecraft exploring them.

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  ChronosXP無料

  A free planetary hours program.

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  WorldWide Telescope無料

  Enables your computer to function as a virtual telescope, bringing together imagery from the best telescopes in the world.